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ryzh [129]
3 years ago
14

Pyramid A is a square pyramid with a base side length of 9 inches and a height of 4 inches. Pyramid B has a volume of 8,100 in.

How many times bigger is the volume of
pyramid B than pyramid A?
15
32
54
75
Mathematics
1 answer:
Debora [2.8K]3 years ago
3 0

Answer:

Hello! Your answer is D: 75.

Step-by-step explanation:

First we need to find the volume of pyramid A in order to solve this problem:

The formula for the pyramid is: V=\frac{1}{3}(B)(h)

Now we plug in the numbers:

V=\frac{1}{3}(81)(4)

V=\frac{1}{3}(324)

V=108in³

Now we divide pyramid B's volume by pyramid A's:

8,100/108 = 75

So the volume pyramid B is 75 times bigger than the volume of pyramid A!

Hope this helps!

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